Skip to main content
LakeQuality

Althea Lake

Middlesex County, Massachusetts42 acresView mapDirections

No nutrient or algae sampling on record from MassDEP for this lake.

Max depth
15 ft
Bathymetric survey
Area
42 acres
Surface area
Shoreline
1 mi
Measured length
  • 15 ft max depth

Althea Lake in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 15 ft. Surface area: 42 acres.

Loading map…

Althea Lake is a 42-acre lake in Middlesex County, Massachusetts with a maximum depth of 15 feet.

Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Althea Lake is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Althea Lake →

Water quality measurements for Althea Lake

These are the measurements MassDEP publishes for Althea Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Althea Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

15 ft

Surface area

42 acres

Shoreline

1 mi

Stays via Stay22

Stays near Althea Lake

Compare lakeside cabins, hotels, and vacation rentals near Althea Lake in Middlesex County, Massachusetts — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Althea Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Massachusetts’s top lakes →

Follow Althea Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Althea Lake

Nearby Lakes in Middlesex County

Frequently asked questions about Althea Lake

Where is Althea Lake?

Althea Lake is a lake in Middlesex County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.

What is the water quality of Althea Lake?

Althea Lake in Middlesex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 15 ft. Surface area: 42 acres.

Measurements on this page ↑

Is Althea Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Althea Lake?

Althea Lake has a maximum depth of 15 feet. The lake covers 42 acres.

Where this data comes from

Measurements for Althea Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.